Home / 31,549.16-47,541.37-28,587.47

Finding the Fourth Proportional to 31,549.16, 47,541.37 and 28,587.47

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Solution

The fourth proportional to 31,549.16, 47,541.37 and 28,587.47 is: 43,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.16 : 47,541.37 = 28,587.47 : x
  2. Step 2: Convert to fraction form
    31,549.16/47,541.37 = 28,587.47/x
  3. Step 3: Cross multiply
    31,549.16x = 47,541.37 × 28,587.47
  4. Step 4: Simplify right side
    31,549.16x = 1,359,087,488.63
  5. Step 5: Solve for x
    x = 1,359,087,488.63/31,549.16
  6. Step 6: Final answer
    x = 43,078.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.